Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751722AbaBQJIJ (ORCPT ); Mon, 17 Feb 2014 04:08:09 -0500 Received: from mailout4.w1.samsung.com ([210.118.77.14]:39130 "EHLO mailout4.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752687AbaBQJGW (ORCPT ); Mon, 17 Feb 2014 04:06:22 -0500 X-AuditID: cbfec7f5-b7fc96d000004885-a3-5301d1092456 From: Krzysztof Kozlowski To: MyungJoo Ham , Chanwoo Choi , Samuel Ortiz , Lee Jones , Mark Brown , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Marek Szyprowski , Bartlomiej Zolnierkiewicz , Kyungmin Park , Tomasz Figa , Dmitry Eremin-Solenikov , David Woodhouse , Krzysztof Kozlowski , devicetree@vger.kernel.org, Rob Herring , Pawel Moll , Mark Rutland Subject: [PATCH v3 15/15] mfd: max14577: Add device tree bindings document Date: Mon, 17 Feb 2014 10:05:50 +0100 Message-id: <1392627950-26927-16-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1392627950-26927-1-git-send-email-k.kozlowski@samsung.com> References: <1392627950-26927-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrDLMWRmVeSWpSXmKPExsVy+t/xa7qcFxmDDZ4tEbTYOGM9q8XUh0/Y LK5/ec5qMenJe2aL+UfOsVpMXDmZ2eL1C0OLs01v2C3ufz3KaLHp8TVWi8u75rBZrD1yl91i 6fWLTBa3G1ewWUyYvpbFonXvEXaL092sFutnvGZxEPJYM28No8fOWXfZPTav0PLYtKqTzePO tT1sHvNOBnpsXlLv0bdlFaPH501yAZxRXDYpqTmZZalF+nYJXBkvp15hL3ihXnF55TGmBsa5 Cl2MnBwSAiYStxcfZIGwxSQu3FvP1sXIxSEksJRR4tXPaVBOH5PE57df2EGq2ASMJTYvXwKW EBFoYZJ4v34/I4jDLHCKWeLYqQ6wWcICXhJLrt9hA7FZBFQlrl5eydzFyMHBK+Ah8e1nPYgp IaAgMWeSDUgFJ1D05tJbYPOFBNwlnjzawTKBkXcBI8MqRtHU0uSC4qT0XCO94sTc4tK8dL3k /NxNjJAQ/7qDcekxq0OMAhyMSjy8BtWMwUKsiWXFlbmHGCU4mJVEeG3XAYV4UxIrq1KL8uOL SnNSiw8xMnFwSjUwBjy6d7VfTHNyz42AW/sCmy72eV65r8SZ7NTrx3Nj2UI++U/bKueZHFtr KVFw6aaXXI6tj08+e3RhWZpobAzjyrf/GQ4s+3BCVPjM2fUHv1od31m9wGnWYZWfyVsPZU9P 3nI5Y2+C9xc2P98r01ep7bKJT96haLP32rItESZ//8ybuaWn+Y6ejBJLcUaioRZzUXEiAECQ 4HtPAgAA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add document describing device tree bindings for MAX14577 MFD drivers: MFD core, extcon, regulator and charger. Both MAX14577 and MAX77836 chipsets are documented. Signed-off-by: Krzysztof Kozlowski Cc: Kyungmin Park Cc: Tomasz Figa Cc: Marek Szyprowski Cc: devicetree@vger.kernel.org Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland --- Documentation/devicetree/bindings/mfd/max14577.txt | 149 ++++++++++++++++++++ 1 file changed, 149 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/max14577.txt diff --git a/Documentation/devicetree/bindings/mfd/max14577.txt b/Documentation/devicetree/bindings/mfd/max14577.txt new file mode 100644 index 000000000000..111115b0a6f3 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/max14577.txt @@ -0,0 +1,149 @@ +Maxim MAX14577/77836 Multi-Function Device + +MAX14577 is a Multi-Function Device with Micro-USB Interface Circuit, Li+ +Battery Charger and SFOUT LDO output for powering USB devices. It is +interfaced to host controller using I2C. + +MAX77836 additionally contains PMIC (with two LDO regulators) and Fuel Gauge. + + +Required properties: +- compatible : Must be "maxim,max14577" or "maxim,max77836". +- reg : I2C slave address for the max14577 chip (0x25 for max14577/max77836) +- interrupts : IRQ line for the chip. +- interrupt-parent : The parent interrupt controller. + + +Optional nodes: +- max14577-muic/max77836-muic : + Node used only by extcon consumers. + Required properties: + - compatible : "maxim,max14577-muic" or "maxim,max77836-muic" + +- regulators : + Required properties: + - compatible : "maxim,max14577-regulator" + or "maxim,max77836-regulator" + + May contain a sub-node per regulator from the list below. Each + sub-node should contain the constraints and initialization information + for that regulator. See regulator.txt for a description of standard + properties for these sub-nodes. + + List of valid regulator names: + - for max14577: CHARGER, SAFEOUT. + - for max77836: CHARGER, SAFEOUT, LDO1, LDO2. + + The SAFEOUT is a fixed voltage regulator so there is no need to specify + voltages for it. + + - charger : + Required properties: + - compatible : "maxim,max14577-charger" + or "maxim,max77836-charger" + - maxim,fast-charge-timer : Timer in hours to trigger the + INT3/MBCCHGERR interrupt; Valid values: + - 5, 6 or 7 (hours), + - 0 to disable. + - maxim,fast-charge-uamp : Current in uA for Fast Charge; + Valid values: + - for max14577: 90000 - 950000; + - for max77836: 45000 - 475000; + - maxim,eoc-uamp : Current in uA for End-Of-Charge mode; + Valid values: + - for max14577: 50000 - 200000; + - for max77836: 5000 - 100000; + - maxim,ovp-uvolt : OverVoltage Protection Threshold in uV; + In an overvoltage condition, INT asserts and charging + stops. Valid values: + - 6000000, 6500000, 7000000, 7500000; + - maxim,constant-uvolt : Battery Constant Voltage in uV; + Valid values: + - 4000000 - 4280000 (step by 20000); + - 4350000; + + +Example: + +#include + +max14577@25 { + compatible = "maxim,max14577"; + reg = <0x25>; + interrupt-parent = <&gpx1>; + interrupts = <5 IRQ_TYPE_NONE>; + + muic: max14577-muic { + compatible = "maxim,max14577-muic"; + }; + + regulators { + compatible = "maxim,max14577-regulator"; + + SAFEOUT { + regulator-name = "SAFEOUT"; + }; + CHARGER { + regulator-name = "CHARGER"; + regulator-min-microamp = <90000>; + regulator-max-microamp = <950000>; + regulator-boot-on; + }; + }; + + charger { + compatible = "maxim,max14577-charger"; + + maxim,fast-charge-timer = <6>; + maxim,constant-uvolt = <4350000>; + maxim,fast-charge-uamp = <450000>; + maxim,eoc-uamp = <50000>; + maxim,ovp-uvolt = <6500000>; + }; +}; + + +max77836@25 { + compatible = "maxim,max77836"; + reg = <0x25>; + interrupt-parent = <&gpx1>; + interrupts = <5 IRQ_TYPE_NONE>; + + muic: max77836-muic { + compatible = "maxim,max77836-muic"; + }; + + regulators { + compatible = "maxim,max77836-regulator"; + + SAFEOUT { + regulator-name = "SAFEOUT"; + }; + CHARGER { + regulator-name = "CHARGER"; + regulator-min-microamp = <90000>; + regulator-max-microamp = <950000>; + regulator-boot-on; + }; + LDO1 { + regulator-name = "LDO1"; + regulator-min-microvolt = <2700000>; + regulator-max-microvolt = <2700000>; + }; + LDO2 { + regulator-name = "LDO2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3950000>; + }; + }; + + charger { + compatible = "maxim,max77836-charger"; + + maxim,fast-charge-timer = <6>; + maxim,constant-uvolt = <4350000>; + maxim,fast-charge-uamp = <225000>; + maxim,eoc-uamp = <7500>; + maxim,ovp-uvolt = <6500000>; + }; +}; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/